Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pcvt8-0001pr-1X for pgsql-hackers@arkaria.postgresql.org; Thu, 16 Mar 2023 22:15:58 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1pcvt7-0006Bl-0F for pgsql-hackers@arkaria.postgresql.org; Thu, 16 Mar 2023 22:15:57 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pcvt6-0006Bc-N4 for pgsql-hackers@lists.postgresql.org; Thu, 16 Mar 2023 22:15:56 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pcvt4-0005Q5-4z for pgsql-hackers@postgresql.org; Thu, 16 Mar 2023 22:15:56 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 32GMFphI4022311; Thu, 16 Mar 2023 18:15:51 -0400 From: Tom Lane To: Richard Guo cc: PostgreSQL-development Subject: Re: A problem about ParamPathInfo for an AppendPath In-reply-to: References: Comments: In-reply-to Richard Guo message dated "Mon, 12 Dec 2022 17:55:01 +0800" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <4022309.1679004951.1@sss.pgh.pa.us> Date: Thu, 16 Mar 2023 18:15:51 -0400 Message-ID: <4022310.1679004951@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Richard Guo writes: > Attached is a patch for this change and the changes described upthread. Pushed. I thought the comment needed to be completely rewritten not just tweaked, and I felt it was probably reasonable to continue to exclude dummy paths from getting the more expensive treatment. regards, tom lane